2115305047 has 2 divisors, whose sum is σ = 2115305048. Its totient is φ = 2115305046.

The previous prime is 2115305041. The next prime is 2115305069. The reversal of 2115305047 is 7405035112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2115305047 - 2¹⁵ = 2115272279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115305041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057652523 + 1057652524.

It is an arithmetic number, because the mean of its divisors is an integer number (1057652524).

Almost surely, 2^2115305047 is an apocalyptic number.

2115305047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115305047 is an equidigital number, since it uses as much as digits as its factorization.

2115305047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2115305047 is about 45992.4455427193. The cubic root of 2115305047 is about 1283.6826415117.

The spelling of 2115305047 in words is "two billion, one hundred fifteen million, three hundred five thousand, forty-seven".